package cn.cvs.utils;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

public class ConfigManager {
    private static Properties properties;
    private static ConfigManager configManager = new ConfigManager();

    private ConfigManager(){
        String configFile = "database.properties";
        properties = new Properties();
        InputStream is = ConfigManager.class.getClassLoader().getResourceAsStream(configFile);
        try {
            properties.load(is);
            is.close();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    public static ConfigManager getInstance(){
        return configManager;
    }
    public String getValue(String key){
        return properties.getProperty(key);
    }
}
